SMLJ54CA-QH Encyclopedia Entry

Product Overview

The SMLJ54CA-QH belongs to the category of transient voltage suppressor diodes. These diodes are commonly used to protect sensitive electronic components from voltage spikes and transients. The SMLJ54CA-QH is designed to provide robust protection against transient overvoltage conditions in a variety of applications.

Basic Information Overview

• Category: Transient Voltage Suppressor Diode
• Use: Protection against voltage spikes and transients
• Characteristics: High surge capability, fast response time, low clamping voltage
• Package: DO-214AB (SMC), SMC/DO-214AB package
• Essence: Safeguarding electronic components from voltage surges
• Packaging/Quantity: Available in reels or bulk packaging, quantity varies by supplier

Specifications

• Peak Pulse Power: 1500W
• Breakdown Voltage Range: 58.1V to 64.6V
• Operating Temperature Range: -55°C to +150°C
• Forward Voltage: 3.5V at 50A
• Reverse Standoff Voltage: 54V

Detailed Pin Configuration

The SMLJ54CA-QH typically has two pins, with the anode connected to the positive side and the cathode connected to the negative side of the circuit.

Functional Features

• Fast response time to transient overvoltage conditions
• Low clamping voltage to limit the voltage across sensitive components
• High surge capability for reliable protection

Advantages and Disadvantages

Advantages

• Effective protection against voltage spikes
• Fast response time
• Robust surge capability

Disadvantages

• May require additional circuitry for comprehensive protection in complex systems
• Can degrade over time with repeated exposure to high-energy transients

Working Principles

When a transient overvoltage occurs, the SMLJ54CA-QH conducts current and clamps the voltage to a safe level, protecting downstream components from damage. This is achieved through the diode's ability to rapidly divert excess energy away from the protected circuit.

Detailed Application Field Plans

The SMLJ54CA-QH is widely used in various electronic systems, including: - Power supplies - Telecommunication equipment - Automotive electronics - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

• P6SMBJ54CA: Similar specifications and package type
• 1.5SMCJ54CA: Higher peak pulse power rating
• SMAJ54CA: Smaller package size for space-constrained applications

In conclusion, the SMLJ54CA-QH transient voltage suppressor diode offers effective protection against transient overvoltage events, making it a crucial component in safeguarding sensitive electronic circuits. Its robust characteristics and wide range of applications make it a valuable asset in various industries.

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